MERCEDES A-CLASS (2017)
Running costs, common problems, and reliability data based on 82,055 real MOT tests in 2024.
MOT Pass Rate
88%
Total Tests (2024)
82,055
Avg Mileage
58,788 mi
Est. Annual Cost
£1,500
Is the 2017 MERCEDES A-CLASS reliable?
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.
At 7 years old, 88% of MERCEDES A-CLASSs from 2017 passed their MOT first time in 2024. That's based on 82,055 tests across the UK. The average mileage at this age is 58,788 miles.
How does the 2017 MERCEDES A-CLASS compare?
Mileage Analysis
The average 2017 MERCEDES A-CLASS has 58,788 miles on the clock, which is in line with the expected 51,800 miles for a 7-year-old car, suggesting normal everyday use.
Best year to buy a MERCEDES A-CLASS?
The most reliable year is the 2021 model with a 95% MOT pass rate, while the 1999 model has the lowest at 68%. The 2017 sits between the two at 88%.
How much does a 2017 MERCEDES A-CLASS cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MERCEDES A-CLASS by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 95% | 204 | 20,573 mi |
| 2020 | 92% | 296 | 25,924 mi |
| 2019 | 90% | 17,959 | 42,922 mi |
| 2018 | 89% | 81,134 | 48,596 mi |
| 2017 | 88% | 82,055 | 58,788 mi |
| 2016 | 86% | 78,925 | 68,387 mi |
| 2015 | 85% | 57,434 | 77,575 mi |
| 2014 | 83% | 51,817 | 86,660 mi |
| 2013 | 83% | 34,582 | 92,179 mi |
| 2012 | 79% | 9,525 | 74,077 mi |
| 2011 | 78% | 9,398 | 73,721 mi |
| 2010 | 76% | 11,300 | 79,296 mi |
| 2009 | 75% | 12,533 | 84,461 mi |
| 2008 | 74% | 12,272 | 89,507 mi |
| 2007 | 74% | 11,036 | 91,201 mi |
| 2006 | 72% | 8,389 | 91,943 mi |
| 2005 | 73% | 5,552 | 88,124 mi |
| 2004 | 71% | 2,470 | 84,566 mi |
| 2003 | 71% | 2,442 | 81,910 mi |
| 2002 | 70% | 1,766 | 83,515 mi |
| 2001 | 72% | 1,096 | 88,180 mi |
| 2000 | 69% | 516 | 80,481 mi |
| 1999 | 68% | 526 | 79,332 mi |
| 1998 | 72% | 72 | 85,941 mi |
Checking a specific MERCEDES A-CLASS?
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About the 2017 MERCEDES A-CLASS
The 2017 MERCEDES A-CLASS is a small family car with a 1461cc diesel engine. 82,055 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2017, the average MOT pass rate is 87%, and this model beats that benchmark.
With an average of 58,788 miles at 7 years old, MERCEDES A-CLASS owners drive about as much as the UK average.
2017 MERCEDES A-CLASS Fuel Costs
The 1461cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £905 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2017 MERCEDES A-CLASS?
Total estimated annual running cost is £1,500 (£125/month), broken down as £905 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.
MERCEDES A-CLASS Reliability Trend
Newer MERCEDES A-CLASSs show better MOT pass rates than older ones, with an average improvement of 14 percentage points.
Buying a Used 2017 MERCEDES A-CLASS
At 7 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2021 model has the highest pass rate at 95%. With 82,055 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2017 MERCEDES A-CLASS
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2017) 91% pass rate (+3%) from 127,682 tests
- FORD FOCUS (2019) 89% pass rate (+1%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (+3%) from 89,588 tests
- AUDI A3 (2015) 88% pass rate (same) from 80,797 tests